this post was submitted on 22 Apr 2026
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This, but it's a Meshtastic board powered by photovoltaic fletching so I can fire them high into trees to create a rogue comms network
nrf52840 I presume. ESP32 needs a bit too much battery for a bow.
I should probably read into them before the world goes belly up. At the moment, I'm only somewhat knowledgeable about ESP and Arduino.
It's easy. Just get a nrf based device like the lil go echo and you are set.
You can flash all variants of Lora network software and it has a built-in rink display if you need to read messages without a phone and also battery and charging.